20797463281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2865059}}^1$

素因数の和:2865144

約数の個数: 16

約数和(自身を含む): 25579255680

約数和(自身を除く): 4781792399

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 2865059, 20055413, 48706003, 174768599, 340942021, 1223380193, 2971066183, 20797463281]

約数ペア:

[(1, 20797463281), (7, 2971066183), (17, 1223380193), (61, 340942021), (119, 174768599), (427, 48706003), (1037, 20055413), (7259, 2865059)]